TM 5-4310-227-15
(4) Install the nipple, valve, and fittings
(2) Release all air from compressor by
and connect the aftercooler tube (6,
opening draincock.
(3) Remove draincock (7, fig. 1-5) from
(5) Position the pipe clamps (12, fig. 3-
air receiver tank (4).
b. Cleaning and Inspection (Models OEG-
with the screws (14), lockwashers,
4 5 8 - E N G - 1 , O E G - 4 5 8 - E N G - 2 , and OEG-
and nuts.
458-ENG-3).
(6) Connect tee to-unloader valve tube
(1) Clean draincock with an approved
(20) to the tee (17) and the unload-
cleaning solvent and dry thoroughly.
er valve (11).
(2) Inspect for corrision, cracks, and de-
(7) Connect the tube (18) to the adapters.
fective threads.
(3) Replace a defective draincock.
3-90. Draincock
c. Installation (Models 0EG-458-ENG-
(Models
OEG-458-ENG-1
a. Removal
1, OEG-458-ENG-2, a n d OEG-458-ENG-
OEG-458-ENG-2, and OEG-458-ENG-3).
receiver tank (4).
(1) Turn off engine.
Section XIII.
CONTROLS AND INSTRUMENTS
( 5 ) Replace all damaged or defective
3-91. General
parts.
The controls and instruments for operation
o f the models BMW-452-ENG and BMW-
installation of the cointrols and instruments.
452-ENG-1 air compressors are mounted on
the instrument panel located at the right front
section of the unit, Refer to paragraphs 2-12
through 2-24 for a description of these com-
a. Removal.
ponents.
(1) Stop the
engine (para 2-27).
3-92. Controls and Instruments
all air from the air receiver
(2) Release
tank by
opening the draincock.
(3) Remove
the pressure gage (6, fig 1-
moval of the controls and instruments.
the air receiver tank.
b. Cleaning and Inspection.
(1) Clean all parts with a cloth dampened
b. Cleaning and Inspection.
with an approved cleaning solvent
(1) Clean the pressure gage with a cloth
and dry thoroughly.
dampened with an approved cleaning
(2) Inspect the instruments for broken
solvent. Dry with a clean, dry lint
glass, loose terminals, and other dam-
free cloth.
age.
(2) Inspect the pressure gage for cracks,
(3) I n s p e c t the controls for cracked
rust, broken glass, worn threads, or
knobs, kinked or broken cables, im-
o t h e r damage. Replace a damaged
proper operation, and other damage.
pressure gage.
(4) Inspect the switches for improper op-
C . Installation. Install the pressure gage
eration, damaged or corroded termi-
(6, fig. 1-2) in the air receiver tank.
nals, and other damage.
